译林版六年级英语春季讲义第13讲 数词 教师版

课程主题：数词的用法授课时间：学习目标基数词得用法；序数词的用法。教学内容【进门测试】（1）.Tomwas__________(three)intherace.（2）.Yesterdaywasschool_______(sport)day.（3）.DidMocky______(win)thehighjump?（4）.Anndidn't_______(go)totheparkyesterday.（5）What______yourfriend_______(do)yesterday?（6）.She_____(put)herprizeonherdesk.【答案】(1).third(2).sports(3).win(4).go(5).diddo(6).put【多元导学】-Whenisyourbirthday?-Mybirthdayison…(月份+日期)相信月份词汇我们都会选择正确且合适的，但是日期词需要如何表达呢？没错，需要用到序数词！【互动精讲】（一）基数词1.表示数量多少的词是基数词，如：one,two,three，four等。2.数词的构成1）从1－12分别由从one到twelve，12个各不相同的词表示。one,two,three,four,five,six,seven,eight,nine,ten,eleven,twelve2）从13－19均以后缀-teen结尾。thirteen,fourteen,fifteen,sixteen,seventeen,eighteen,nineteen从20－90的整十数词均以后缀-ty结尾。表示“几十几”时，个位和十位之间需加连字符。30，40，40，80的拼写较为特殊twenty,thirty,forty,fifty,sixty,seventy,eighty,ninetytwenty-three4）整百数由1—9加hundred构成。one(a)hundredfivehundred5)整百数和整十数之间由and连接，十位与个位之间要加连字符“-”。如果十位数为零，那就在百位和个位之间用and连接。246twohundredandforty-six2、序数词序数词表示排列顺序，如first,second,third等。1)序数词第一、第二和第三为first,second和third,其他序数词的构成是在基数词后加th。例如：

six→sixthfour→fourth2)fifth(第五)、eighth(第八)、ninth(第九)和twelfth(第十二)在拼法上有变化。first,second,third,fourth,fifth,sixth,seventh,eighth,ninth,tenth,twelfth,thirteenth,fourteenth,fifteenth,sixteenth,seventeenth,eighteenth,nineteenth3)二十、三十等基数词变为序数词时,要把y变成ie再加-th。例如：twenty→twentiethforty→fortieth

twentieth,thirtieth,fortieth,fiftieth,sixtieth,seventieth,eightieth,ninetieth4)基数词几十几变成序数词时,表示几十的数词不变,只把表示几的基数词变成序数词。例如：

twenty-one→twenty-first

forty-five→forty-fifth5）.序数词的缩略形式是由阿拉伯数字加序数词的最后两个字母构成。例如：

1st,2nd,3rd,4th,21st,32nd,40th7)序数词前必须加定冠词the

ThefirsttimeIcametoNanjing,Ilikeditverymuch.

我第一次来南京，我就非常喜欢这个城市。【课堂检测】47．用所给词的适当形式填空。（1）.TreePlantingDayisonMarch___________.(twelve)（2）.Thereare__________sheepinfrontofthehouse.(four)（3）.Father’sDayisonthe__________SundayinJune.(three)（4）.A:Howmucharethegloves?B:They’re__________yuan.(twenty-two)（5）.A:Howmanykitescanyousee?B:Icansee________.(five)（6）.A:Whattimeisit?B:It’s________o’clock.It’stimetogotoschool.(eight)（7）.A:Whereisthelibrary?B:It’sonthe_________floor.(one)（8）.A:Whenisyourcousin’sbirthday?B:It’sonDecember__________.(thirty)48．用所给单词的适当形式填空，使句意完整、正确。（1）Thereareten___________(box)intheclassroom.（2）Children’sDayisonthe___________(one)ofJune.（3）Tom’sschoolbagis___________(heavy)thanJim’s.（4）Pleasegivethispostcardto____________(she).（5）LiuTaoandhismother___________(go)forawalkafterdinneryesterday.49．用所给单词的适当形式填空。（1）Decemberis________(twelve)monthinayear.（2）Myfathercan________(swim)andheoften________(swim)withmeonhotdays.（3）Sheisa________(beautiful)girlandshecandance________(beautiful).（4）Look!Mary________(dance)intheclassroom.（5）Theseflowersarefor________(they).________(they)allliketheflowers.50．按要求写出单词的正确形式。（1）sheep(复数)_________（2）strawberries(单数)_______（3）small(近义词)_______（4）one(序数词)_______（5）sun(同音词)________（6）twentieth(基数词)________（7）tall(反义词)________（8）t(同音单词)________（9）can’t(完整形式)_______（10）Theyare(缩写形式)_________47．【答案】(1).twelfth(2).four(3).third(4).twenty-two(5).five(6).eight(7).first(8).thirtieth48．【答案】(1).boxes(2).first(3).heavier(4).her(5).went【答案】(1).thetwelfth(2).swim;swims(3).beautiful;beautifully(4).isdancing(5).them;They50．【答案】(1)．sheep(2)．strawberry(3)．little(4)．first(5)．son(6)．twenty(7)．short(8)．tea(9)．cannot(10)．They’re【要点回顾】【温故知新】一、用英文写出下列物品的数量或价格。1.________2.________3.________4.________5.________二、按要求写单词。1．one(序数词)________________2.third(基数词)________________3．eight(序数词)________________4.seventh(基数词)________________5．twenty­two(序数词)________________6.fiftieth(基数词)________________7．twelve(序数词)________________8.second(基数词)________________9．nine(序数词)________________10.eighty­fourth(基数词)________________三、根据提示，完成下列句子。1．Thereare________(30)daysinApril.2．Septemberisthe________(9)monthoftheyear.3．Thereareforty­sixstudentsinClass________(三)．4．Saturdayisthe________(7)dayoftheweek.5．Annreceivedalotofpresentsonher________(8)birthday.四、单项选择。()1.Billis________intherow.A．athirdB．thirdC．thethird()2.Fortyand________isseventy.A．thirteenB．thirtyC．three()3.Tinais________girl.A．an6yearoldB．6­year­oldC．a6­year­old()4.Myhomeisabout________awayfromthepark.A．threehundredmetreB．threehundredmetresC．threehundredsmetres()5.—What'sthedatetoday?—It's________.A．tenB．TuesdayC．April5th()6.Thisisher________birthday,Ithink.A．twentyB．twentiethC．thetwentieth()7.TheYellowRiveris________longestriverinChina.A．thetwoB．twoC．thesecond()8.Helivesin________．A．306RoomB．306roomC．Room306()9.________is3：25.A．Twenty­fivetothreeB．Twenty­fivetofourC．Twenty­fivepastthree()10.—HowcanIgettothepostoffice?—Turnrightat________crossing.It'sontheleft.A．threeB．thirdC．thethird五、根据实际情况用适当的数词填空。1．Thereare________________lettersinEnglishalphabet(字母表)．2．Thereare________________daysinaweek.3．Thereare________________hoursinaday.4．Thereare________________minutesi